TcpReceiveSendGetsCanceledByDispose times out on osx arm64

[lewing]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1613961
Build error leg or test failing: net11.0-osx-Debug-arm64 - System.Net.Sockets.Tests.SendReceive_Apm.TcpReceiveSendGetsCanceledByDispose
Pull request: #134751

This is a recurrence of #131990 (closed 2026-09-08), which had the same timeout signature. The open tracker for desktop macOS arm64 is #134367.

Error Details

System.Net.Sockets.Tests.SendReceive_Apm.TcpReceiveSendGetsCanceledByDispose(receiveOrSend: False, ipv6Server: False, dualModeClient: True, owning: False) [FAIL]
  System.TimeoutException : The operation has timed out.
  Stack Trace:
    /_/src/libraries/System.Net.Sockets/tests/FunctionalTests/SendReceive/SendReceive.cs(1129,0): at System.Net.Sockets.Tests.SendReceive`1.<>c__DisplayClass21_0.<TcpReceiveSendGetsCanceledByDispose>b__0()
    /_/src/libraries/Common/tests/TestUtilities/System/RetryHelper.cs(94,0): at System.RetryHelper.ExecuteAsync(Func`1 test, Int32 maxAttempts, Func`2 backoffFunc, Predicate`1 retryWhen, String testName)
    /_/src/libraries/System.Net.Sockets/tests/FunctionalTests/SendReceive/SendReceive.cs(1057,0): at System.Net.Sockets.Tests.SendReceive`1.TcpReceiveSendGetsCanceledByDispose(Boolean receiveOrSend, Boolean ipv6Server, Boolean dualModeClient, Boolean owning)

Error Message

{
  "ErrorPattern": [
    "System\\.Net\\.Sockets\\.Tests\\.SendReceive_[A-Za-z]+\\.TcpReceiveSendGetsCanceledByDispose\\([^\\n]*\\) \\[FAIL\\]",
    "System\\.TimeoutException : The operation has timed out\\."
  ],
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Note

This issue was drafted with GitHub Copilot.

Report

Build	Repository	Test	Pull Request
1615005	dotnet/runtime	System.Net.Sockets.Tests.SendReceive_MemoryArrayTask.TcpReceiveSendGetsCanceledByDispose	#134809
1613961	dotnet/runtime	System.Net.Sockets.Tests.SendReceive_Apm.TcpReceiveSendGetsCanceledByDispose	#134751

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	2	2

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